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📁 ..
📄 A15SDOptimizer.cpp(24.01 KB)
📄 ARM.h(2.78 KB)
📄 ARM.td(73.6 KB)
📄 ARMAsmPrinter.cpp(80.17 KB)
📄 ARMAsmPrinter.h(5.74 KB)
📄 ARMBaseInstrInfo.cpp(209.03 KB)
📄 ARMBaseInstrInfo.h(36.07 KB)
📄 ARMBaseRegisterInfo.cpp(34.2 KB)
📄 ARMBaseRegisterInfo.h(7.84 KB)
📄 ARMBasicBlockInfo.cpp(5.18 KB)
📄 ARMBasicBlockInfo.h(5.25 KB)
📄 ARMCallLowering.cpp(19.74 KB)
📄 ARMCallLowering.h(1.89 KB)
📄 ARMCallingConv.cpp(11.8 KB)
📄 ARMCallingConv.h(2.43 KB)
📄 ARMCallingConv.td(14.63 KB)
📄 ARMConstantIslandPass.cpp(90.84 KB)
📄 ARMConstantPoolValue.cpp(11.53 KB)
📄 ARMConstantPoolValue.h(10.1 KB)
📄 ARMExpandPseudoInsts.cpp(115.56 KB)
📄 ARMFastISel.cpp(106.14 KB)
📄 ARMFeatures.h(2.48 KB)
📄 ARMFrameLowering.cpp(102.32 KB)
📄 ARMFrameLowering.h(4.02 KB)
📄 ARMHazardRecognizer.cpp(3.41 KB)
📄 ARMHazardRecognizer.h(1.54 KB)
📄 ARMISelDAGToDAG.cpp(206.42 KB)
📄 ARMISelLowering.cpp(728.6 KB)
📄 ARMISelLowering.h(38.98 KB)
📄 ARMInstrCDE.td(24.04 KB)
📄 ARMInstrFormats.td(93.92 KB)
📄 ARMInstrInfo.cpp(4.2 KB)
📄 ARMInstrInfo.h(1.49 KB)
📄 ARMInstrInfo.td(243.51 KB)
📄 ARMInstrMVE.td(299.67 KB)
📄 ARMInstrNEON.td(436.25 KB)
📄 ARMInstrThumb.td(65.92 KB)
📄 ARMInstrThumb2.td(211.06 KB)
📄 ARMInstrVFP.td(110.46 KB)
📄 ARMInstructionSelector.cpp(39.12 KB)
📄 ARMLegalizerInfo.cpp(18.8 KB)
📄 ARMLegalizerInfo.h(2.41 KB)
📄 ARMLoadStoreOptimizer.cpp(94.44 KB)
📄 ARMLowOverheadLoops.cpp(60.28 KB)
📄 ARMMCInstLower.cpp(7.2 KB)
📄 ARMMachineFunctionInfo.cpp(821 B)
📄 ARMMachineFunctionInfo.h(9.68 KB)
📄 ARMMacroFusion.cpp(2.36 KB)
📄 ARMMacroFusion.h(966 B)
📄 ARMOptimizeBarriersPass.cpp(3.43 KB)
📄 ARMParallelDSP.cpp(26.82 KB)
📄 ARMPerfectShuffle.h(382.02 KB)
📄 ARMPredicates.td(14.16 KB)
📄 ARMRegisterBankInfo.cpp(18.18 KB)
📄 ARMRegisterBankInfo.h(1.41 KB)
📄 ARMRegisterBanks.td(577 B)
📄 ARMRegisterInfo.cpp(685 B)
📄 ARMRegisterInfo.h(845 B)
📄 ARMRegisterInfo.td(24.53 KB)
📄 ARMSchedule.td(15.13 KB)
📄 ARMScheduleA57.td(62.61 KB)
📄 ARMScheduleA57WriteRes.td(11.43 KB)
📄 ARMScheduleA8.td(49.59 KB)
📄 ARMScheduleA9.td(130.35 KB)
📄 ARMScheduleM4.td(4.77 KB)
📄 ARMScheduleR52.td(44.27 KB)
📄 ARMScheduleSwift.td(50.53 KB)
📄 ARMScheduleV6.td(12.34 KB)
📄 ARMSelectionDAGInfo.cpp(9.21 KB)
📄 ARMSelectionDAGInfo.h(2.81 KB)
📄 ARMSubtarget.cpp(16.73 KB)
📄 ARMSubtarget.h(31.56 KB)
📄 ARMSystemRegister.td(5.42 KB)
📄 ARMTargetMachine.cpp(19.74 KB)
📄 ARMTargetMachine.h(3.48 KB)
📄 ARMTargetObjectFile.cpp(3.75 KB)
📄 ARMTargetObjectFile.h(1.67 KB)
📄 ARMTargetTransformInfo.cpp(63.49 KB)
📄 ARMTargetTransformInfo.h(10.22 KB)
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 MLxExpansionPass.cpp(11.56 KB)
📄 MVEGatherScatterLowering.cpp(40.3 KB)
📄 MVETailPredication.cpp(23.2 KB)
📄 MVEVPTBlockPass.cpp(10.77 KB)
📄 MVEVPTOptimisationsPass.cpp(16.46 KB)
📁 TargetInfo
📄 Thumb1FrameLowering.cpp(39.45 KB)
📄 Thumb1FrameLowering.h(3.48 KB)
📄 Thumb1InstrInfo.cpp(5.73 KB)
📄 Thumb1InstrInfo.h(2.38 KB)
📄 Thumb2ITBlockPass.cpp(9.09 KB)
📄 Thumb2InstrInfo.cpp(26.43 KB)
📄 Thumb2InstrInfo.h(3.75 KB)
📄 Thumb2SizeReduction.cpp(40.25 KB)
📄 ThumbRegisterInfo.cpp(21.75 KB)
📄 ThumbRegisterInfo.h(2.44 KB)
📁 Utils

Editing: ARMAsmPrinter.h

//===-- ARMAsmPrinter.h - ARM implementation of AsmPrinter ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H
#define LLVM_LIB_TARGET_ARM_ARMASMPRINTER_H

#include "ARMSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/Target/TargetMachine.h"

namespace llvm {

class ARMFunctionInfo;
class MCOperand;
class MachineConstantPool;
class MachineOperand;
class MCSymbol;

namespace ARM {
  enum DW_ISA {
    DW_ISA_ARM_thumb = 1,
    DW_ISA_ARM_arm = 2
  };
}

class LLVM_LIBRARY_VISIBILITY ARMAsmPrinter : public AsmPrinter {

/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
  /// make the right decision when printing asm code for different targets.
  const ARMSubtarget *Subtarget;

/// AFI - Keep a pointer to ARMFunctionInfo for the current
  /// MachineFunction.
  ARMFunctionInfo *AFI;

/// MCP - Keep a pointer to constantpool entries of the current
  /// MachineFunction.
  const MachineConstantPool *MCP;

/// InConstantPool - Maintain state when emitting a sequence of constant
  /// pool entries so we can properly mark them as data regions.
  bool InConstantPool;

/// ThumbIndirectPads - These maintain a per-function list of jump pad
  /// labels used for ARMv4t thumb code to make register indirect calls.
  SmallVector<std::pair<unsigned, MCSymbol*>, 4> ThumbIndirectPads;

/// OptimizationGoals - Maintain a combined optimization goal for all
  /// functions in a module: one of Tag_ABI_optimization_goals values,
  /// -1 if uninitialized, 0 if conflicting goals
  int OptimizationGoals;

/// List of globals that have had their storage promoted to a constant
  /// pool. This lives between calls to runOnMachineFunction and collects
  /// data from every MachineFunction. It is used during doFinalization
  /// when all non-function globals are emitted.
  SmallPtrSet<const GlobalVariable*,2> PromotedGlobals;
  /// Set of globals in PromotedGlobals that we've emitted labels for.
  /// We need to emit labels even for promoted globals so that DWARF
  /// debug info can link properly.
  SmallPtrSet<const GlobalVariable*,2> EmittedPromotedGlobalLabels;

public:
  explicit ARMAsmPrinter(TargetMachine &TM,
                         std::unique_ptr<MCStreamer> Streamer);

StringRef getPassName() const override {
    return "ARM Assembly Printer";
  }

void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O);

void PrintSymbolOperand(const MachineOperand &MO, raw_ostream &O) override;
  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
                       const char *ExtraCode, raw_ostream &O) override;
  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
                             const char *ExtraCode, raw_ostream &O) override;

void emitInlineAsmEnd(const MCSubtargetInfo &StartInfo,
                        const MCSubtargetInfo *EndInfo) const override;

void emitJumpTableAddrs(const MachineInstr *MI);
  void emitJumpTableInsts(const MachineInstr *MI);
  void emitJumpTableTBInst(const MachineInstr *MI, unsigned OffsetWidth);
  void emitInstruction(const MachineInstr *MI) override;
  bool runOnMachineFunction(MachineFunction &F) override;

void emitConstantPool() override {
    // we emit constant pools customly!
  }
  void emitFunctionBodyEnd() override;
  void emitFunctionEntryLabel() override;
  void emitStartOfAsmFile(Module &M) override;
  void emitEndOfAsmFile(Module &M) override;
  void emitXXStructor(const DataLayout &DL, const Constant *CV) override;
  void emitGlobalVariable(const GlobalVariable *GV) override;

MCSymbol *GetCPISymbol(unsigned CPID) const override;

// lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);

//===------------------------------------------------------------------===//
  // XRay implementation
  //===------------------------------------------------------------------===//
public:
  // XRay-specific lowering for ARM.
  void LowerPATCHABLE_FUNCTION_ENTER(const MachineInstr &MI);
  void LowerPATCHABLE_FUNCTION_EXIT(const MachineInstr &MI);
  void LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI);

private:
  void EmitSled(const MachineInstr &MI, SledKind Kind);

// Helpers for emitStartOfAsmFile() and emitEndOfAsmFile()
  void emitAttributes();

// Generic helper used to emit e.g. ARMv5 mul pseudos
  void EmitPatchedInstruction(const MachineInstr *MI, unsigned TargetOpc);

void EmitUnwindingInstruction(const MachineInstr *MI);

// emitPseudoExpansionLowering - tblgen'erated.
  bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
                                   const MachineInstr *MI);

public:
  unsigned getISAEncoding() override {
    // ARM/Darwin adds ISA to the DWARF info for each function.
    const Triple &TT = TM.getTargetTriple();
    if (!TT.isOSBinFormatMachO())
      return 0;
    bool isThumb = TT.isThumb() ||
                   TT.getSubArch() == Triple::ARMSubArch_v7m ||
                   TT.getSubArch() == Triple::ARMSubArch_v6m;
    return isThumb ? ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
  }

private:
  MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol);
  MCSymbol *GetARMJTIPICJumpTableLabel(unsigned uid) const;

MCSymbol *GetARMGVSymbol(const GlobalValue *GV, unsigned char TargetFlags);

public:
  /// EmitMachineConstantPoolValue - Print a machine constantpool value to
  /// the .s file.
  void emitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) override;
};
} // end namespace llvm

#endif

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Editing: ARMAsmPrinter.h

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